[PATCH] selftests: netfilter: Add missing resturn value.

[zhangjiao2 <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>]

From: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>

There is no return value in count_entries, just add it.

Signed-off-by: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/net/netfilter/conntrack_dump_flush.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
index bd9317bf5ada..dc056fec993b 100644
--- a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
+++ b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c
@@ -207,6 +207,7 @@ static int conntrack_data_generate_v6(struct mnl_socket *sock,
 static int count_entries(const struct nlmsghdr *nlh, void *data)
 {
 	reply_counter++;
+	return MNL_CB_OK;
 }
 
 static int conntracK_count_zone(struct mnl_socket *sock, uint16_t zone)
-- 
2.33.0